THE IMPORTANCE OF WATER

Apuntes

**THE IMPORTANCE OF WATER IN OUR PLANET** • Subtopic: A Scarce Natural Resource Water is unevenly distributed in nature. Owners continuously overexploit water resources, and pollution affects water quality. To resolve the problem, water needs to be stored efficiently, used responsibly, and reused. • Subtopic: Water Cycle Water is essential for ecosystems and biological processes. The water cycle includes several stages: - Evaporation: Heat causes water to evaporate. - Condensation: Water vapor forms clouds. - Precipitation: Water falls as rain, snow, or hail. - Collection: The water reaches rivers and the sea. • Subtopic: Distribution of Water **Continental Water** This source is fresh. Continental water consists of surface water and groundwater. **Sea Water** This water is salty and is found in seas and oceans. --- **WHAT IS RELIEF?** Relief refers to all features of the Earth's crust. • Subtopic: Continental Landforms - Mountains: High landforms with steep sides. - Valleys: Areas of land between mountains. - Plains: Low and flat areas of land. - Plateaus: Flat areas of land higher than plains. - Depressions: Areas with lower altitude than normal land. • Subtopic: ...